Examples with PhysicalRequirements org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements used on opensource projects

Example 11 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements in project asterixdb by apache.

the class DataSourceScanPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    if (op.getInputs().isEmpty()) {
        return emptyUnaryRequirements();
    }
    ILogicalOperator childOp = op.getInputs().get(0).getValue();
    // Empty tuple source is a special case that can be partitioned in the same way as the data scan.
    if (childOp.getOperatorTag() == LogicalOperatorTag.EMPTYTUPLESOURCE) {
        return emptyUnaryRequirements();
    }
    INodeDomain domain = dataSource.getDomain();
    return new PhysicalRequirements(new StructuralPropertiesVector[] { new StructuralPropertiesVector(new BroadcastPartitioningProperty(domain), null) }, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 12 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements in project asterixdb by apache.

the class NestedLoopJoinPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    if (partitioningType != JoinPartitioningType.BROADCAST) {
        throw new NotImplementedException(partitioningType + " nested loop joins are not implemented.");
    }
    StructuralPropertiesVector[] pv = new StructuralPropertiesVector[2];
    // TODO: leverage statistics to make better decisions.
    pv[0] = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new RandomPartitioningProperty(context.getComputationNodeDomain()), null));
    pv[1] = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new BroadcastPartitioningProperty(context.getComputationNodeDomain()), null));
    return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 13 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements in project asterixdb by apache.

the class AggregatePOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    AggregateOperator aggOp = (AggregateOperator) op;
    StructuralPropertiesVector[] pv = new StructuralPropertiesVector[1];
    if (aggOp.isGlobal() && aggOp.getExecutionMode() == AbstractLogicalOperator.ExecutionMode.UNPARTITIONED) {
        pv[0] = new StructuralPropertiesVector(IPartitioningProperty.UNPARTITIONED, null);
        return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
    } else {
        return emptyUnaryRequirements();
    }
}

Example 14 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements in project asterixdb by apache.

the class InsertDeleteUpsertPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    List<LogicalVariable> scanVariables = new ArrayList<LogicalVariable>();
    scanVariables.addAll(keys);
    scanVariables.add(payload);
    if (additionalNonFilteringFields != null) {
        scanVariables.addAll(additionalNonFilteringFields);
    }
    IPhysicalPropertiesVector r = dataSource.getPropertiesProvider().computePropertiesVector(scanVariables);
    r.getLocalProperties().clear();
    IPhysicalPropertiesVector[] requirements = new IPhysicalPropertiesVector[1];
    requirements[0] = r;
    return new PhysicalRequirements(requirements, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 15 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements in project asterixdb by apache.

the class IntersectPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator iop, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    IntersectOperator intersectOp = (IntersectOperator) iop;
    StructuralPropertiesVector[] pv = new StructuralPropertiesVector[intersectOp.getNumInput()];
    for (int i = 0; i < intersectOp.getNumInput(); i++) {
        List<ILocalStructuralProperty> localProps = new ArrayList<>();
        List<OrderColumn> orderColumns = new ArrayList<>();
        for (LogicalVariable column : intersectOp.getInputVariables(i)) {
            orderColumns.add(new OrderColumn(column, OrderOperator.IOrder.OrderKind.ASC));
        }
        localProps.add(new LocalOrderProperty(orderColumns));
        IPartitioningProperty pp = null;
        if (intersectOp.getExecutionMode() == AbstractLogicalOperator.ExecutionMode.PARTITIONED) {
            Set<LogicalVariable> partitioningVariables = new HashSet<>(intersectOp.getInputVariables(i));
            pp = new UnorderedPartitionedProperty(partitioningVariables, null);
        }
        pv[i] = new StructuralPropertiesVector(pp, localProps);
    }
    return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}